Which of the following situations would best be modeled by a discrete relationship? (4.1)
the weight of a dog over time.

b. the number of students in each classroom.

c. the temperature inside a car over time.

d. the cost of bananas is $0.55 per pound.

Which expression is equivalent to 2x^2+7x+4?

Which of the following exponential functions goes through the points (1, 6) and (2, 12)? f(x) = 3(2)x f(x) = 2(3)x f(x) = 3(2)−x f(x) = 2(3)−x

Astudent found the solution below for the given inequality. |x-9|< -4 x-9> 4 and x-9< -4 x> 13 and x< 5 which of the following explains whether the student is correct? -the student is completely correct because the student correctly wrote and solved the compound inequality. -the student is partially correct because only one part of the compound inequality is written correctly. -the student is partially correct because the student should have written the statements using “or” instead of “and.” -the student is completely incorrect because there is no solution to this inequality.